KECK OBSERVATORY CALENDAR FOR 2027 -ASTRONOMICAL (computed for altitude 4160.0 m) ASTRONOMICAL(18 deg) TWILIGHT/DAWN MOON(midnight) DATE(HST) SUN TWILIGHT ENDS MOON MOON DAWN BEGINS SUN SIDEREAL TIMES NIGHT (18 deg) Zenith 2027 SET RISE SET RISE TWI MID DAWN LENGTH DARK___ RA DEC Dist 12 18 18 12 18 18 h h % h m d m deg MON MAR 01 18 37 19 15 19 40 02 44 05 28 05 54 06 32 05 57 10 18 15 47 9.8 7.1 72 1829-2706 >90 TUE MAR 02 18 37 19 15 19 41 03 29 14 06 05 28 05 53 06 31 06 02 10 22 15 51 9.8 7.8 79 1920-2511 >90 WED MAR 03 18 38 19 15 19 41 04 11 14 59 05 27 05 52 06 30 06 06 10 26 15 54 9.8 8.5 87 2009-2212 >90 THU MAR 04 18 38 19 16 19 41 04 50 15 51 05 26 05 52 06 29 06 10 10 30 15 57 9.8 9.2 93 2057-1818 >90 FRI MAR 05 18 38 19 16 19 41 05 25 16 43 05 25 05 51 06 28 06 14 10 34 16 00 9.7 9.7 100 2142-1340 >90 SAT MAR 06 18 39 19 16 19 42 05 59 17 33 05 25 05 50 06 28 06 19 10 38 16 04 9.7 9.7 100 2227-0827 >90 SUN MAR 07 18 39 19 17 19 42 06 33 18 24 05 24 05 49 06 27 06 23 10 42 16 07 9.7 9.7 100 2311-0252 >90 MON MAR 08 18 39 19 17 19 42 19 15 05 23 05 49 06 26 06 27 10 46 16 09 9.7 9.7 100 2355 0255 >90 TUE MAR 09 18 40 19 17 19 43 20 07 05 22 05 48 06 25 06 32 10 50 16 12 9.6 9.2 95 0041 0841 >90 WED MAR 10 18 40 19 17 19 43 21 02 05 21 05 47 06 24 06 36 10 53 16 15 9.6 8.3 86 0129 1411 >90 THU MAR 11 18 40 19 18 19 43 22 00 05 21 05 46 06 24 06 40 10 57 16 19 9.6 7.3 76 0220 1908 >90 FRI MAR 12 18 40 19 18 19 44 23 01 05 20 05 45 06 23 06 45 11 01 16 22 9.6 6.3 65 0315 2312 >90 SAT MAR 13 18 41 19 18 19 44 00 04 05 19 05 44 06 22 06 49 11 05 16 25 9.6 5.2 54 0420 2529 >90 SUN MAR 14 18 41 19 19 19 44 01 07 05 18 05 44 06 21 06 53 11 09 16 28 9.6 4.2 43 0516 2718 80 MON MAR 15 18 41 19 19 19 44 02 08 05 17 05 43 06 20 06 56 11 13 16 31 9.5 3.1 32 0620 2650 67 TUE MAR 16 18 42 19 19 19 45 03 03 05 16 05 42 06 19 07 01 11 17 16 34 9.5 2.2 23 0722 2433 54 WED MAR 17 18 42 19 19 19 45 03 53 05 15 05 41 06 19 07 05 11 21 16 37 9.5 1.4 14 0823 2038 42 THU MAR 18 18 42 19 20 19 45 15 02 04 38 05 15 05 40 06 18 07 09 11 25 16 41 9.5 0.6 6 0921 1525 30 FRI MAR 19 18 42 19 20 19 46 16 05 05 19 05 14 05 39 06 17 07 14 11 29 16 44 9.5 0.0 0 1016 0917 21 SAT MAR 20 18 43 19 20 19 46 17 05 05 58 05 13 05 38 06 16 07 18 11 33 16 47 9.5 0.0 0 1108 0241 18 SUN MAR 21 18 43 19 21 19 46 18 04 06 36 05 12 05 38 06 15 07 22 11 37 16 50 9.4 0.0 0 1159-0358 24 MON MAR 22 18 43 19 21 19 47 19 01 05 11 05 37 06 14 07 27 11 41 16 53 9.4 0.0 0 1250-1020 35 TUE MAR 23 18 44 19 21 19 47 19 58 05 10 05 36 06 13 07 31 11 45 16 56 9.4 0.2 1 1341-1602 46 WED MAR 24 18 44 19 21 19 47 20 56 05 09 05 35 06 12 07 35 11 49 16 58 9.4 1.1 12 1434-2049 57 THU MAR 25 18 44 19 22 19 47 21 53 05 08 05 34 06 12 07 39 11 53 17 01 9.4 2.1 22 1528-2429 69 FRI MAR 26 18 44 19 22 19 48 22 50 05 07 05 33 06 11 07 44 11 57 17 04 9.3 3.0 32 1622-2646 80 SAT MAR 27 18 45 19 22 19 48 23 45 05 06 05 32 06 10 07 48 12 00 17 07 9.3 4.0 42 1715-2735 90 SUN MAR 28 18 45 19 23 19 48 00 36 05 05 05 31 06 09 07 52 12 04 17 10 9.3 4.8 51 1812-2730 >90 MON MAR 29 18 45 19 23 19 49 01 24 05 05 05 30 06 08 07 57 12 08 17 14 9.3 5.6 60 1904-2556 >90 TUE MAR 30 18 45 19 23 19 49 02 07 05 04 05 29 06 07 08 01 12 12 17 17 9.2 6.3 68 1955-2315 >90 WED MAR 31 18 46 19 24 19 49 02 47 05 03 05 29 06 06 08 05 12 16 17 20 9.2 7.0 75 2043-1938 >90 ONE LINE REFERS TO EVENING DATE NEW MOON Mar 08 09:30 UT AND FOLLOWING MORNING. FIRST QUARTER Mar 15 16:24 UT All dates and times are zone HST FULL MOON Mar 22 10:44 UT in upper table (except sid time). LAST QUARTER Mar 30 00:53 UT